This book is a part of the Blue Book series "Research on the Development of Electronic Information Engineering Technology in China", which explores the cutting edge of blockchain technology studies.

The research objects of blockchain are the concept, development process, core value of blockchain, and focuses on the core technology and classification of blockchain technology. And summarizes the development situation of the global and Chinese blockchain industry, including the status quo of policy measures, standard construction, and application development. Finally, summarize the main innovation points of blockchain technology, including its development in China, and prospects the future development of blockchain technology.

This book is intended for researchers and industrial staffs who have been following the current situation and future trends of the blockchain. Meanwhile, it also bears high value of reference for experts, scholars, and technical and engineering managers ofdifferent levels and different fields.

I. The Concept and Benefits of Blockchain

(I) The Concept of Blockchain. 1

(II) The History of Blockchain. 1

(III) The Benefits of Blockchain. 2

II. The Core Technologies and Classifications of Blockchain. 3

(I) Core Technologies of Blockchain. 3

1. Ledger Data Structure. 3

2. Consensus Algorithms. 4

3. Peer-to-peer (P2P) Network. 5

4. Cryptography. 5

5. Smart Contract 6

(II) Classifications of Blockchain. 8

1. Public Blockchain. 8

2. Permissioned Blockchain. 8

III. The Industrial Development Trend of Blockchain. 10

(I) Global Industrial Development Trend of Blockchain. 10

1. Countries all over the world are competing to lay out blockchain and occupy the high ground in the industry. And the regulatory system has been improving. 10

2. The Integration of Blockchain and Real Economy Proves to be a Main Trend. and Giant Companies Have Joined in. 16

3. The Establishment of Blockchain Standard System is accelerating, and the Fight for Voices is Increasingly Fierce. 17

(II) Analysis on the Current Situation of China's Blockchain Industry. 19

1. National strategic orientation and industrial policies have been continuously improved. 19

2. The standard system has been initially established and the development of standards has been steadily promoted. 23

3. Main body of industry continues to grow and upstream and downstream chains are basically formed. 25

IV. Blockchain Technology Innovation Hot Spots. 30

(I) Blockchain Scalability. 30

(II) Blockchain Interoperability. 32

(III) Blockchain Privacy Protection and Security. 33

(IV) Blockchain Governance Technology. 34

V. Hot Spots and Highlights of China's Blockchain Development 35

(I) Blockchain underlying platforms are emerging, and the technology is improving. 35

(II) Integrate deeply with the real economy, and develop more applications. 38

VI. The Future of Blockchain. 42

References. 44